3 ms·
Apparently you can make it with a pencil and some sticky tape: http://youtu.be/LwmxSjydPEE http://youtu.be/LwmxSjydPEE edit: here they are in the lab at Manche
by draggnar 15y ago
Apparently you can make it with a pencil and some sticky tape: http://youtu.be/LwmxSjydPEE http://youtu.be/LwmxSjydPEE
edit: here they are in the lab at Manchester using a similar technique: http://youtu.be/ehvksWx3AJQ http://youtu.be/ehvksWx3AJQ